September weather forecastOlongapo, Philippines
September
Weather in September
September, the first month of the autumn in Olongapo, is still a hot month, with an average temperature ranging between min 23.8°C (74.8°F) and max 30.7°C (87.3°F).Temperature
September's commencement is accompanied by an average high-temperature of a still tropical 30.7°C (87.3°F), diverging marginally from August's 30.2°C (86.4°F). During September nights, Olongapo records an average temperature of 23.8°C (74.8°F).Rainfall
In Olongapo, in September, 533mm (20.98") of precipitation is typically accumulated. During the entire year, Olongapo aggregates up to 3375mm (132.87") of precipitation.Sea temperature
In Olongapo, in September, the average water temperature is 28.6°C (83.5°F).Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.
Daylight
The average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 5:46 am and sunset at 6:11 pm. On the last day of September, in Olongapo, sunrise is at 5:48 am and sunset at 5:49 pm PST.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Olongapo, Philippines
- Average high temperature in September: 30.7°C
The warmest month (with the highest average high temperature) is April (34.5°C).
The month with the lowest average high temperature is August (30.2°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is May (25°C).
The coldest month (with the lowest average low temperature) is January (21.7°C).
Average rainfall in September
Olongapo, Philippines
- Average rainfall in September: 533mm
The wettest month (with the highest rainfall) is August (1038mm).
The driest months (with the least rainfall) are January and February (4mm).
Average sea temperature in September
Olongapo, Philippines
- Average sea temperature in September: 28.6°C
The best month for swimming (with the highest average sea temperature) is May (29.9°C).
The coldest months (with the lowest average sea temperature) are January and February (27.3°C).
Average daylight in September
Olongapo, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).





